If activated from a valid line of code in an editor, this command opens a scrollable list of available code completions. Some tips for using code assist are listed in the following paragraph:
An example is shown below.

Please refer to the Content/Code Assist in Java Development User Guide for detailed introduction.
Selecte the node which need annotation, type the shortcut.
Type ".", Code assistant appends the proposal and "." and then shows new proposal list after ".".
Type ";", Code assistant appends the proposal and ";" and appends annotation if the proposal's result type is not "void".
Type "Enter", Code assistant appends the proposal.
